Mr. Tapie's principal strength, though, is that he is a vote-getter.

Apple's principal strength has and will continue to be consistency, he said.

The principal strength of the party was in Punjab.

The principal strength, in the company's own words, is its "unique and close relationship with the Beijing municipal government."

That is one of the principal strengths of his book.

Nowadays, the comic supporting characters are the play's principal strength.

Yet, oddly enough, this same artlessness is the book's principal strength.

Even with his first piano works, Grieg's principal strengths and preoccupations became apparent.

Scottish Literature is one of the principal strengths of the School.

Therein lies both the principal strength and weakness of the play.